As Mack and NXIVM continue to make news, here's what to know to know about her role in the sex cult.
The 'Smallville' actress pleaded guilty to charges related to her involvement in the sex cult.
In season 2 of 'The Vow,' Clyne reveals the last day she saw Mack and opens up about her relationship with founder Keith Raniere.
How stars from ‘Battlestar Galactica,’ ‘Hawaii Five-0,’ ‘Star Wars’ and more got caught up in NXIVM.
The HBO true-crime docuseries about the sex cult returns with a new season in October.
The HBO docuseries about the sex cult returns in October.
The couple says season 2 of the HBO docuseries will focus on what happened in Mexico and the trial.
The couple’s podcast, ‘A Little Bit Culty,’ explores abuses of power and cult-like practices.
The 'Smallville' star is in a low-security prison after admitting her involvement in the NXIVM cult.
The group's former president will spend time behind bars.
Raniere was ordered to pay millions to victims of his sex-trafficking scheme, in part to surgically remove scars from branding rituals.
ET spoke with former NXIVM member India Oxenberg just hours after Allison Mack was sentenced to three years in prison.
Allison Mack has been sentenced to three years in prison after pleading guilty to racketeering charges for her involvement in NXIVM.
The NXIVM survivor speaks to ET following the news that the 'Smallville' actress was sentenced to prison.
